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/*
* Copyright (c) 2008-2017 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "openvswitch/ofp-ipfix.h"
#include <stdlib.h>
#include "byte-order.h"
#include "openflow/nicira-ext.h"
#include "openvswitch/ofp-errors.h"
#include "openvswitch/ofp-msgs.h"
#include "openvswitch/ofpbuf.h"
#include "util.h"
static void
ofputil_ipfix_stats_to_reply(const struct ofputil_ipfix_stats *ois,
struct nx_ipfix_stats_reply *reply)
{
reply->collector_set_id = htonl(ois->collector_set_id);
reply->total_flows = htonll(ois->total_flows);
reply->current_flows = htonll(ois->current_flows);
reply->pkts = htonll(ois->pkts);
reply->ipv4_pkts = htonll(ois->ipv4_pkts);
reply->ipv6_pkts = htonll(ois->ipv6_pkts);
reply->error_pkts = htonll(ois->error_pkts);
reply->ipv4_error_pkts = htonll(ois->ipv4_error_pkts);
reply->ipv6_error_pkts = htonll(ois->ipv6_error_pkts);
reply->tx_pkts = htonll(ois->tx_pkts);
reply->tx_errors = htonll(ois->tx_errors);
memset(reply->pad, 0, sizeof reply->pad);
}
/* Encode a ipfix stat for 'ois' and append it to 'replies'. */
void
ofputil_append_ipfix_stat(struct ovs_list *replies,
const struct ofputil_ipfix_stats *ois)
{
struct nx_ipfix_stats_reply *reply = ofpmp_append(replies, sizeof *reply);
ofputil_ipfix_stats_to_reply(ois, reply);
}
static enum ofperr
ofputil_ipfix_stats_from_nx(struct ofputil_ipfix_stats *is,
const struct nx_ipfix_stats_reply *reply)
{
is->collector_set_id = ntohl(reply->collector_set_id);
is->total_flows = ntohll(reply->total_flows);
is->current_flows = ntohll(reply->current_flows);
is->pkts = ntohll(reply->pkts);
is->ipv4_pkts = ntohll(reply->ipv4_pkts);
is->ipv6_pkts = ntohll(reply->ipv6_pkts);
is->error_pkts = ntohll(reply->error_pkts);
is->ipv4_error_pkts = ntohll(reply->ipv4_error_pkts);
is->ipv6_error_pkts = ntohll(reply->ipv6_error_pkts);
is->tx_pkts = ntohll(reply->tx_pkts);
is->tx_errors = ntohll(reply->tx_errors);
return 0;
}
int
ofputil_pull_ipfix_stats(struct ofputil_ipfix_stats *is, struct ofpbuf *msg)
{
enum ofperr error;
enum ofpraw raw;
memset(is, 0xFF, sizeof (*is));
error = (msg->header ? ofpraw_decode(&raw, msg->header)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
if (!msg->size) {
return EOF;
} else if (raw == OFPRAW_NXST_IPFIX_BRIDGE_REPLY ||
raw == OFPRAW_NXST_IPFIX_FLOW_REPLY) {
struct nx_ipfix_stats_reply *reply;
reply = ofpbuf_try_pull(msg, sizeof *reply);
return ofputil_ipfix_stats_from_nx(is, reply);
} else {
OVS_NOT_REACHED();
}
}
/* Returns the number of ipfix stats elements in
* OFPTYPE_IPFIX_BRIDGE_STATS_REPLY or OFPTYPE_IPFIX_FLOW_STATS_REPLY
* message 'oh'. */
size_t
ofputil_count_ipfix_stats(const struct ofp_header *oh)
{
struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length));
ofpraw_pull_assert(&b);
return b.size / sizeof(struct ofputil_ipfix_stats);
}
static void
print_ipfix_stat(struct ds *string, const char *leader, uint64_t stat,
int more)
{
ds_put_cstr(string, leader);
if (stat != UINT64_MAX) {
ds_put_format(string, "%"PRIu64, stat);
} else {
ds_put_char(string, '?');
}
if (more) {
ds_put_cstr(string, ", ");
} else {
ds_put_cstr(string, "\n");
}
}
static void
format_ipfix_stats(struct ds *string, const struct ofputil_ipfix_stats *is,
int indent)
{
print_ipfix_stat(string, "flows=", is->total_flows, 1);
print_ipfix_stat(string, "current flows=", is->current_flows, 1);
print_ipfix_stat(string, "sampled pkts=", is->pkts, 1);
print_ipfix_stat(string, "ipv4 ok=", is->ipv4_pkts, 1);
print_ipfix_stat(string, "ipv6 ok=", is->ipv6_pkts, 1);
print_ipfix_stat(string, "tx pkts=", is->tx_pkts, 0);
ds_put_char_multiple(string, ' ', indent);
print_ipfix_stat(string, "pkts errs=", is->error_pkts, 1);
print_ipfix_stat(string, "ipv4 errs=", is->ipv4_error_pkts, 1);
print_ipfix_stat(string, "ipv6 errs=", is->ipv6_error_pkts, 1);
print_ipfix_stat(string, "tx errs=", is->tx_errors, 0);
}
void
ofputil_format_ipfix_stats_bridge(struct ds *string,
const struct ofputil_ipfix_stats *is)
{
ds_put_cstr(string, "\n bridge ipfix: ");
format_ipfix_stats(string, is, 16);
}
void
ofputil_format_ipfix_stats_flow(struct ds *string,
const struct ofputil_ipfix_stats *is)
{
ds_put_cstr(string, " id");
ds_put_format(string, " %3"PRIuSIZE": ", (size_t) is->collector_set_id);
format_ipfix_stats(string, is, 10);
}
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